(65-100)-(25-100)
=65-100-25+100
= (65-25) + [(-100)+100]
= 40+0
= 40
(65-100) -(25-100)
=65-100-25-100
=100-(65-25)
=100-40
=60
\(\left(65-100\right)-\left(25-100\right)\)
\(=\left(-35\right)-\left(-75\right)\)
\(=\left(75-35\right)\)
\(=40\)
(65-100)-(25-100)
65-100-25+100
(65-25)+(-100+100)
40
nhé